Question 1

What statement about statistics rules on Nuage VCS is FALSE?

Accepted Answer

A)  Users can define statistics rules for domain/zones/subnets/vPorts. The rule applied to the most granular object is the one used. 
B)  Statistics are collected in an Elasticsearch statistics engine and are aggregated over hours, days, and months. 
C)  Statistics are pushed from VRS up to VSC, which in turn sends them to the VSD stats engine. 
D)  When a TCA threshlod is exceeded, an event is displayed in the UI and a message is sent on the JMS bus.

Question 2

Which domain can be extended to a 7750 DCI by GRE tunnels?

Accepted Answer

A)  A managed L2 domain. 
B)  An unmanaged L2 domain. 
C)  A subnet within an L3 domain. 
D)  An L3 domain.

Question 3

To auto-instantiate services on a 7750 DCI, which protocol needs to be enabled between the 7750 SR and VSD?

Accepted Answer

A)  SNMP 
B)  Openflow 
C)  XMPP 
D)  BGP EVPN

Question 4

If we compare a Nuage Virtual Service Node to a physical service router, which module is VSC mapped to?

Accepted Answer

A)  Switch fabric 
B)  Line card 
C)  CPU module 
D)  Internal clock

Question 5

What statement regarding active/standby VSD cluster is TRUE?

Accepted Answer

A)  Both the primary and secondary cluster are running all VSD services. 
B)  XMPP connections to the secondary cluster are blocked. 
C)  The active/standby mode is also supported in standalone VSD. 
D)  VSP components (eg: VSCs) need reconfiguration after failover.

Question 6

What function is NOT supported on the Nuage 7850 VSG?

Accepted Answer

A)  Hardware VXLAN/VLAN gateway 
B)  Cloud orchestration 
C)  Top of Rack switch/Leaf router 
D)  VSC functionality

Question 7

What statement regarding VSC deployment is TRUE?

Accepted Answer

A)  VSC can be deployed in standalone mode or in high-availability cluster mode. 
B)  VSC can only be installed as virtual machines. 
C)  VSC is based on SR OS, and thus can be integrated module on the 7750 SR. 
D)  XMPP is used to synchronize the active and standby VSCs.

Question 8

What statement is TRUE regarding the workflow for live migration of a virtual machine with Nuage VCS?

Accepted Answer

A)  Only the destination hypervisor's VRS agent notifies the VSC of the VM migration. 
B)  Both the source and destination hypervisor's VRS agents notify the VSC of the VM migration. 
C)  VSD is not notified of the VM migration. 
D)  CMS (if used) is not notified of the VM migration.

Question 9

What is the difference between host vPort and bridge vPort?

Accepted Answer

A)  A host vPort is provisioned on VRS-G, while a bridge vPort is provisioned on VSG. 
B)  A host vPort is provisioned for VLAN traffic, while a bridge vPort is for VxLAN traffic. 
C)  A host vPort only supports one VLAN, while a bridge vPort can be configured with multiple VLANs. 
D)  A host vPort requires static MAC address configuration, while a bridge vPort learns MAC addresses dynamically.

Question 10

What benefits does virtualization bring to a data center?

Accepted Answer

A)  Mobility, flexibility, and better resource utilization. 
B)  Multitasking with prioritized process scheduling. 
C)  More processing power, memory and disk space. 
D)  Higher bandwidth, control plane simplification and reduced forwarding tables.

Question 11

What statement is FALSE regarding the relationship between a zone and a subnet within a domain?

Accepted Answer

A)  Each zone can have multiple subnets. 
B)  Each subnet can belong to multiple zones. 
C)  A QoS policy defined at the subnet level takes precedence over a QoS policy defined at the zone level. 
D)  A security policy applied to the zone impacts all subnets associated to that zone.

Question 12

What statement is TRUE regarding multiple virtual IP addresses assigned to a single vPort?

Accepted Answer

A)  The virtual IP addresses can be in a different subnet than the VM interface IP address. 
B)  All virtual IP addresses of a vPort must be in the same subnet. 
C)  One of the virtual IP addresses can be the same as the VM interface IP address. 
D)  Every virtual IP address must be associated with a virtual MAC, which differs from the VM interface MAC address.

Question 13

On which Kubernetes node is the Nuage-kube-mon component installed?

Accepted Answer

A)  On the worker node. 
B)  On the master node. 
C)  On the network node. 
D)  On a dedicated gateway node.

Question 14

What three main components comprise the Nuage Networks VCS solution?

Accepted Answer

A)  VSD, VSC, and VSG 
B)  VSD, VSC, and VRS 
C)  VNS, VSC, and VSG 
D)  VNS, VRS, and VSG

Question 15

What statement regarding Openflow sessions in data center networks is TRUE?

Accepted Answer

A)  By default, the Openflow session is established with TCP port 6633. 
B)  Openflow sessions run between VSCs. 
C)  Security in mandatory with SSL encryption. 
D)  Openflow sessions can be established over either the data plane or the management plane.

Question 16

What statement about policy groups is FALSE?

Accepted Answer

A)  Several vPorts ( in the same or different subnets) can be associated with one policy group. 
B)  One vPort can be associated with multiple policy groups. 
C)  For an ingress security policy, if a hardware endpoint policy group is chosen as the source, the destination must also be hardware endpoints. 
D)  The policy group is the syntactic equivalent of the security group used by cloud management systems.

Question 17

Which mapping between a VSD service abstraction and an overlay service instance is correct?

Accepted Answer

A)  Domain- VPRN service instance 
B)  Zone-VPLS service instance 
C)  Subnet-VPRN service instance 
D)  Virtual machine -SAP

Question 18

Which of the following is NOT a goal of NFV?

Accepted Answer

A)  Reduce equipment cost 
B)  Faster time-to-market for new services 
C)  Efficiency through automation 
D)  Increase network bandwidth

Question 19

What statement about floating public IP addresses in the Nuage environment is CORRECT?

Accepted Answer

A)  They are managed by enterprise admin users. 
B)  NAT is performed for the traffic leaving the enterprise domain and entering the public network. 
C)  Once a floating IP is configured on the vPort, the VM will stop using its enterprise private IP address. 
D)  There can be more than one floating IP address associated with one vPort.

Exam 1: Nuage Networks Virtualized Cloud Services (VCS) Fundamentals